38115001 has 6 divisors (see below), whose sum is σ = 38664506. Its totient is φ = 37573200.

The previous prime is 38114983. The next prime is 38115017. The reversal of 38115001 is 10051183.

38115001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 9759376 = 5325^2 + 3124^2 .

It is not a de Polignac number, because 38115001 - 2¹¹ = 38112953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38115001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38115031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1261 + ... + 8821.

Almost surely, 2^38115001 is an apocalyptic number.

38115001 is the 5041-st pentagonal number.

It is an amenable number.

38115001 is a deficient number, since it is larger than the sum of its proper divisors (549505).

38115001 is an frugal number, since it uses more digits than its factorization.

38115001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703 (or 7632 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 38115001 is about 6173.7347691653. The cubic root of 38115001 is about 336.5363487174.

Adding to 38115001 its reverse (10051183), we get a palindrome (48166184).

The spelling of 38115001 in words is "thirty-eight million, one hundred fifteen thousand, one".